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Find \(\frac{\partial u}{\partial x}\) where \(u=cos⁡(\sqrt x+\sqrt y)\).

Posted: Thu Jul 14, 2022 9:41 am
by answerhappygod
a) \(\frac{-1}{2\sqrt x}×tan⁡(\sqrt x+\sqrt y)\)
b) \(\frac{-1}{2\sqrt x}×cos⁡(\sqrt x+\sqrt y)\)
c) \(\frac{-1}{2\sqrt x}×sin⁡(\sqrt x+\sqrt y)\)
d) \(\frac{-1}{\sqrt x}×sin⁡(\sqrt x+\sqrt y)\)